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Author : R. M. Endlich,G. S. McLean
Publisher : Unknown
Page : 18 pages
File Size : 40,9 Mb
Release : 1965
Category : Aeronautics in meteorology
ISBN : UOM:39015095331537
Author : A. T. Stair
Publisher : Unknown
Page : 10 pages
File Size : 47,9 Mb
Release : 1965
Category : Airglow
ISBN : UOM:39015095126697
Author : J. P. Mullen
Publisher : Unknown
Page : 20 pages
File Size : 46,9 Mb
Release : 1965
Category : Artificial satellites
ISBN : UOM:39015095126721
Author : Anonim
Publisher : Unknown
Page : 780 pages
File Size : 51,7 Mb
Release : 2024-07-01
Category : Science
ISBN : CORNELL:31924057175519
Author : Anonim
Publisher : Unknown
Page : 840 pages
File Size : 52,7 Mb
Release : 1965
Category : Government publications
ISBN : UCBK:C023383624
Author : N. Vinnichenko
Publisher : Springer Science & Business Media
Page : 318 pages
File Size : 46,5 Mb
Release : 2013-11-11
Category : Science
ISBN : 9781475701005
Turbulence-the randomly disordered movement of volumes of air of widely varying size-is one of the characteristic features of atmospheric air flows; its investigation is essential for the solution of several theoretical and practical problems. Until recently, owing to experimental difficulties, research on turbu lence was confmed mainly to the lower half of the troposphere. Theoretical investigations have consequently been based on these data. The rapid development of high-altitude aviation and cases of aircraft encoun tering hazardous turbulence led to a sharp intensification of research on turbu lence in the atmosphere up to 10-12 km, and subsequently at greater altitudes. Such research was confined initially to the characterization of the frequency of occurrence of gusts of different speeds, their relation to altitude, geographical conditions, time of day and year, and so on. At the end of the fifties, when the required measuring equipment and experimental techniques had been developed, it became possible to investigate the complete statistical characteristics of turbu lence: the spectral densities of the velocity fluctuations of air flows, structure functions, etc. These data stimulated the further development of theory related to the specific conditions of the free atmosphere.
Author : Robert E. Riecker
Publisher : Unknown
Page : 10 pages
File Size : 44,9 Mb
Release : 1965
Category : Faults (Geology)
ISBN : UOM:39015095126762
Author : Wayne S. Hering,Thomas R. Borden
Publisher : Unknown
Page : 36 pages
File Size : 41,8 Mb
Release : 1965
Category : Atmosphere
ISBN : UOM:39015095126713
An interim summary of the ozone climate over North America has been prepared from AFCRL ozonesonde network observations made during 1963 and 1964 (AD-435 873, -604 880, -623 018). Mean bimonthly distributions of ozone density computed for individual network stations depict the average ozone structure as a function of altitude and season for the first two years of network operation. Data are also presented on the standard deviation of ozone density and the mean seasonal distributions along a meridional cross section extending from the Canal Zone to Greenland. A brief statistical analysis indicates that approximately 35 to 50 percent of the variance in the total ozone amount at middle and high latitudes is given by the fluctuations in ozone density in the 11- to 13-km or 13- to 15-km layers. (Author).
Author : Anonim
Publisher : Unknown
Page : 76 pages
File Size : 52,8 Mb
Release : 1973
Category : Geophysics
ISBN : OSU:32435061432787
Author : George F. Nolan
Publisher : Unknown
Page : 36 pages
File Size : 41,5 Mb
Release : 1965
Category : Balloons
ISBN : UOM:39015095331388
Monthly dispersion patterns of vertically rising balloons for various probability levels are computed for the altitude of 90,000 ft by using the effective vertically integrated standard deviation of the wind. These are representative of conditions at the Holloman AFB - White Sands Missile Range complex. The use of this procedure to obtain a reliable measure of dispersion is verified by testing with individually computed ascent trajectories. The importance of considering interlevel correlation coefficients in estimating dispersion is emphasized by the results of this study. The resulting dispersion patterns afford a means of increasing balloon operational efficiency and effectiveness for the cited area by defining the best locations for target flight launchings, and by giving the probable dispersions for flights launched from a fixed site. The findings of this study can also be of assistance in planning balloon operations at other midlatitude locations. (Author).
Author : Donald H. Eckhardt
Publisher : Unknown
Page : 12 pages
File Size : 48,7 Mb
Release : 1965
Category : Moon
ISBN : UOM:39015095126705
Author : Fred Ward
Publisher : Unknown
Page : 24 pages
File Size : 52,8 Mb
Release : 1965
Category : Solar atmosphere
ISBN : UOM:39015095126671
Author : G. M. Daniels
Publisher : Unknown
Page : 12 pages
File Size : 43,7 Mb
Release : 1965
Category : Auroras
ISBN : UOM:39015095126754
Author : Dorothy E. Bulford
Publisher : Unknown
Page : 92 pages
File Size : 46,8 Mb
Release : 1968
Category : Aerodynamics
ISBN : PURD:32754060032129
Clear air turbulence encounters can occur unexpectedly without any visual evidence or warning. As operations of higher altitude aircraft increase, the phenomenon is encountered more often. Clear air turbulence is defined as 'all turbulence in the free atmosphere of interest in aerospace operations that is not in or adjacent to visible convective activity (this includes turbulence found in cirrus clouds not in or adjacent to visible convective activity).' This bibliography consists of 578 references to technical reports, articles in periodicals, and books published during the past 17 years. References about other forms of turbulence such as that occurring with storms and airplane wake vortices are not included. (Author).
Author : Norman Sissenwine
Publisher : Unknown
Page : 76 pages
File Size : 54,7 Mb
Release : 1973
Category : Climatology
ISBN : UOM:39015095126226
MIL-STD-210A, 'Climatic Extremes for Military Equipment', is being revised. The revision will include two sets of windspeed design goals for military equipment being developed for worldwide usage over land: (1) the speed up to which 'operations' are expected to proceed, (2) the speed that equipment should 'withstand' without irreversible damage. A study of gustiness and variations of wind with height during strong wind regimes is presented. Nomograms of gust factor versus gust duration and steady windspeed are used to assign the most dynamically effective gust according to equipment dimensions. Based on a power-law relationship, factors for adjusting windspeed to a common height to describe windspeed and gusts over the vertical extent of military equipment usage are presented. Also included is a tabulation of wind statistics for selected stations considered in the search for worldwide wind extremes.
